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Localizing objects with weak supervision in an image is a key problem of the research in computer vision community. Many existing Weakly-Supervised Object Localization (WSOL) approaches tackle this problem by estimating the most…

Computer Vision and Pattern Recognition · Computer Science 2019-09-25 Pei Lv , Haiyu Yu , Junxiao Xue , Junjin Cheng , Lisha Cui , Bing Zhou , Mingliang Xu , Yi Yang

The existing image feature extraction methods are primarily based on the content and structure information of images, and rarely consider the contextual semantic information. Regarding some types of images such as scenes and objects, the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Chiranjibi Sitaula , Yong Xiang , Anish Basnet , Sunil Aryal , Xuequan Lu

Super-resolution reconstruction techniques entail the utilization of software algorithms to transform one or more sets of low-resolution images captured from the same scene into high-resolution images. In recent years, considerable…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Hao Yan , Zixiang Wang , Zhengjia Xu , Zhuoyue Wang , Zhizhong Wu , Ranran Lyu

Image segmentation is considered to be one of the critical tasks in hyperspectral remote sensing image processing. Recently, convolutional neural network (CNN) has established itself as a powerful model in segmentation and classification by…

Computer Vision and Pattern Recognition · Computer Science 2017-12-29 Fahim Irfan Alam , Jun Zhou , Alan Wee-Chung Liew , Xiuping Jia , Jocelyn Chanussot , Yongsheng Gao

Singh et al. (2020) point out the dangers of contextual bias in visual recognition datasets. They propose two methods, CAM-based and feature-split, that better recognize an object or attribute in the absence of its typical context while…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Sunnie S. Y. Kim , Sharon Zhang , Nicole Meister , Olga Russakovsky

Convolutional Neural Networks (CNNs) require large image corpora to be trained on classification tasks. The variation in image resolutions, sizes of objects and patterns depicted, and image scales, hampers CNN training and performance,…

Computer Vision and Pattern Recognition · Computer Science 2016-05-16 Nanne van Noord , Eric Postma

In this paper, we introduce a Deep Convolutional Analysis Dictionary Model (DeepCAM) by learning convolutional dictionaries instead of unstructured dictionaries as in the case of deep analysis dictionary model introduced in the companion…

Machine Learning · Statistics 2020-02-04 Jun-Jie Huang , Pier Luigi Dragotti

We propose a random convolutional neural network to generate a feature space in which we study image classification and retrieval performance. Put briefly we apply random convolutional blocks followed by global average pooling to generate a…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Yunzhe Xue , Usman Roshan

Convolutional networks (ConvNets) have achieved promising accuracy for various anatomical segmentation tasks. Despite the success, these methods can be sensitive to data appearance variations. Considering the large variability of scans…

Computer Vision and Pattern Recognition · Computer Science 2021-02-03 Yuan Liang , Weinan Song , Jiawei Yang , Liang Qiu , Kun Wang , Lei He

The success of deep learning techniques in the computer vision domain has triggered a range of initial investigations into their utility for visual place recognition, all using generic features from networks that were trained for other…

Computer Vision and Pattern Recognition · Computer Science 2017-01-20 Zetao Chen , Adam Jacobson , Niko Sunderhauf , Ben Upcroft , Lingqiao Liu , Chunhua Shen , Ian Reid , Michael Milford

A variational model for learning convolutional image atoms from corrupted and/or incomplete data is introduced and analyzed both in function space and numerically. Building on lifting and relaxation strategies, the proposed approach is…

Optimization and Control · Mathematics 2018-12-10 Antonin Chambolle , Martin Holler Thomas Pock

Part-based image classification aims at representing categories by small sets of learned discriminative parts, upon which an image representation is built. Considered as a promising avenue a decade ago, this direction has been neglected…

Computer Vision and Pattern Recognition · Computer Science 2017-04-13 Ronan Sicre , Yannis Avrithis , Ewa Kijak , Frederic Jurie

There is a warning light for the loss of plant habitats worldwide that entails concerted efforts to conserve plant biodiversity. Thus, plant species classification is of crucial importance to address this environmental challenge. In recent…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Boi M. Quach , Dinh V. Cuong , Nhung Pham , Dang Huynh , Binh T. Nguyen

Visual place recognition is the task of recognizing a place depicted in an image based on its pure visual appearance without metadata. In visual place recognition, the challenges lie upon not only the changes in lighting conditions, camera…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Duc Canh Le , Chan Hyun Youn

In this paper we describe a solution to our entry for the emotion recognition challenge EmotiW 2017. We propose an ensemble of several models, which capture spatial and audio features from videos. Spatial features are captured by…

Computer Vision and Pattern Recognition · Computer Science 2017-11-15 Boris Knyazev , Roman Shvetsov , Natalia Efremova , Artem Kuharenko

In image retrieval, deep local features learned in a data-driven manner have been demonstrated effective to improve retrieval performance. To realize efficient retrieval on large image database, some approaches quantize deep local features…

Image and Video Processing · Electrical Eng. & Systems 2021-12-14 Hui Wu , Min Wang , Wengang Zhou , Yang Hu , Houqiang Li

Semantic segmentation necessitates approaches that learn high-level characteristics while dealing with enormous amounts of data. Convolutional neural networks (CNNs) can learn unique and adaptive features to achieve this aim. However, due…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Hasan AlMarzouqi , Lyes Saad Saoud

Text in natural images contains rich semantics that are often highly relevant to objects or scene. In this paper, we focus on the problem of fully exploiting scene text for visual understanding. The main idea is combining word…

Computer Vision and Pattern Recognition · Computer Science 2017-05-31 Xiang Bai , Mingkun Yang , Pengyuan Lyu , Yongchao Xu , Jiebo Luo

This paper introduces the use of single layer and deep convolutional networks for remote sensing data analysis. Direct application to multi- and hyper-spectral imagery of supervised (shallow or deep) convolutional networks is very…

Computer Vision and Pattern Recognition · Computer Science 2015-11-26 Adriana Romero , Carlo Gatta , Gustau Camps-Valls

Dynamic imaging is a recently proposed action description paradigm for simultaneously capturing motion and temporal evolution information, particularly in the context of deep convolutional neural networks (CNNs). Compared with optical flow…

Computer Vision and Pattern Recognition · Computer Science 2018-12-31 Yang Xiao , Jun Chen , Yancheng Wang , Zhiguo Cao , Joey Tianyi Zhou , Xiang Bai